Belt buckle



FIG. 1 is a front elevational view of a belt buckle embodying my new design;

FIG. 2 is a top plan view thereof, the bottom plan view being identical;

FIG. 3 is a right side view thereof, the left side view being the mirror image thereof;

FIG. 4 is a rear elevational view; and

FIG. 5 is a fragmentary front elevation showing the belt buckle in open condition. 

The ornamental design for belt buckle, as shown and described. 